SMA SC 500U Installation User Manual
Page 65

SMA Solar Technology AG
Installation Guide
SC500U-IUS093411
65
ChkGdVtgLo
149.6 ... 265.9
Vrms
243.8 Vrms
Minimum voltage for Sunny Central
operation.
The Sunny Central shuts down within 2
seconds in case the voltage exceeds the
value defined in ChkGdVtgLo.
ChkGdVtgMax
288 ... 332,4 Vrms 332,4 Vrms
Maximum voltage for Sunny Central
operation.
If the voltage exceeds the value defined
in ChkGdVtgMax, the Sunny Central
shuts down immediately.
ChkGdVtgMin
138,5 ... 265,9 Hz 138,5 Hz
Minimum voltage for Sunny Central
operation.
If the voltage drops below the value
defined at ChkGdVtgMin, the Sunny
Central shuts down immediately.
ChkGnFrqLo
Sunny Central operation with a
generator.
More information on parameter settings
and operating the Sunny Central with a
generator can be obtained from SMA
America.
ChkGnFrqLoT
ChkGnFrqMax
ChkGnFrqMin
ChkGnVtgHi
ChkGnVtgLo
ChkGnVtgMax
ChkGnVtgMin
CtlExtPwrKi
Parameter name Range
Default
Parameter Description